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54988977 = 367793463
BaseRepresentation
bin1101000111000…
…1000010110001
310211110201200210
43101301002301
5103034121402
65242334333
71235253501
oct321610261
9124421623
1054988977
112904903a
12164ba3a9
13b514174
147435a01
154c6306c
hex34710b1

54988977 has 16 divisors (see below), whose sum is σ = 75376640. Its totient is φ = 35644752.

The previous prime is 54988963. The next prime is 54988991. The reversal of 54988977 is 77988945.

It is an interprime number because it is at equal distance from previous prime (54988963) and next prime (54988991).

It is not a de Polignac number, because 54988977 - 24 = 54988961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54988957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14148 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (4711040).

Almost surely, 254988977 is an apocalyptic number.

It is an amenable number.

54988977 is a deficient number, since it is larger than the sum of its proper divisors (20387663).

54988977 is a wasteful number, since it uses less digits than its factorization.

54988977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its digits is 5080320, while the sum is 57.

The square root of 54988977 is about 7415.4552793473. The cubic root of 54988977 is about 380.2698383514.

The spelling of 54988977 in words is "fifty-four million, nine hundred eighty-eight thousand, nine hundred seventy-seven".

Divisors: 1 3 67 79 201 237 3463 5293 10389 15879 232021 273577 696063 820731 18329659 54988977