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54980856 = 23347172331
BaseRepresentation
bin1101000110111…
…1000011111000
310211110022120000
43101233003320
5103033341411
65242233000
71235221020
oct321570370
9124408500
1054980856
1129042a27
12164b5760
13b510568
147432a80
154c60956
hex346f0f8

54980856 has 320 divisors, whose sum is σ = 200724480. Its totient is φ = 13685760.

The previous prime is 54980843. The next prime is 54980857. The reversal of 54980856 is 65808945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54980857) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1773561 + ... + 1773591.

It is an arithmetic number, because the mean of its divisors is an integer number (627264).

Almost surely, 254980856 is an apocalyptic number.

54980856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54980856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100362240).

54980856 is an abundant number, since it is smaller than the sum of its proper divisors (145743624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54980856 is a wasteful number, since it uses less digits than its factorization.

54980856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 54980856 is about 7414.9076865461. The cubic root of 54980856 is about 380.2511174879.

The spelling of 54980856 in words is "fifty-four million, nine hundred eighty thousand, eight hundred fifty-six".