Search a number
-
+
55348957 = 1719349491
BaseRepresentation
bin1101001100100…
…0111011011101
310212011000111101
43103020323131
5103132131312
65254153101
71241313136
oct323107335
9125130441
1055348957
1129274544
1216652791
13b60bc81
1474cac8d
154cd4a57
hex34c8edd

55348957 has 16 divisors (see below), whose sum is σ = 61992000. Its totient is φ = 49109760.

The previous prime is 55348949. The next prime is 55348961. The reversal of 55348957 is 75984355.

It is a cyclic number.

It is not a de Polignac number, because 55348957 - 23 = 55348949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55348927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112482 + ... + 112972.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 255348957 is an apocalyptic number.

It is an amenable number.

55348957 is a deficient number, since it is larger than the sum of its proper divisors (6643043).

55348957 is a wasteful number, since it uses less digits than its factorization.

55348957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 756000, while the sum is 46.

The square root of 55348957 is about 7439.6879638867. The cubic root of 55348957 is about 381.0978340345.

The spelling of 55348957 in words is "fifty-five million, three hundred forty-eight thousand, nine hundred fifty-seven".

Divisors: 1 17 19 323 349 491 5933 6631 8347 9329 112727 158593 171359 2913103 3255821 55348957