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52545054 = 2343203663
BaseRepresentation
bin1100100001110…
…0011000011110
310122212120021010
43020130120132
5101422420204
65114120050
71205424402
oct310343036
9118776233
1052545054
1127729971
1215720026
13ab69963
146d9b102
15492dd89
hex321c61e

52545054 has 16 divisors (see below), whose sum is σ = 107534592. Its totient is φ = 17107608.

The previous prime is 52545049. The next prime is 52545061. The reversal of 52545054 is 45054525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101574 + ... + 102089.

It is an arithmetic number, because the mean of its divisors is an integer number (6720912).

Almost surely, 252545054 is an apocalyptic number.

52545054 is an abundant number, since it is smaller than the sum of its proper divisors (54989538).

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

52545054 is a wasteful number, since it uses less digits than its factorization.

52545054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203711.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 52545054 is about 7248.7967277335. The cubic root of 52545054 is about 374.5507010072.

Adding to 52545054 its reverse (45054525), we get a palindrome (97599579).

The spelling of 52545054 in words is "fifty-two million, five hundred forty-five thousand, fifty-four".

Divisors: 1 2 3 6 43 86 129 258 203663 407326 610989 1221978 8757509 17515018 26272527 52545054